Made with the Highest Quality Components Available 6 Months Unlimited Warranty Pressure and Computer tested for consistent Quality and unsurpassed reliability The 90-004-1000 Capacitor is used on fans that were sold under many different brand names including the following models: High Capacity Barrel Fan: MAC-36-BDF MAC-42-BDF MAC-48-BDF Circulating Fans Bands CL-36-BDF-A CL-42-BDF-A CL-48-BDF-A Breeze Portable Air Circulators BCB-36-BDF BCB-42-BDF BCB-48-BDF Portable Air Circulators: PT-36-BDF PT-42-BDF PT-48-BDF The 90-004-1000 Fan Capacitor Assembly is an electrical component used in various fan models to enhance motor performance. This capacitor is responsible for providing the necessary electrical charge to start and run the fan motor efficiently.